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* Revert since the 'faster' version was not correct (and a fixed version was ↵henryk2008-03-151-4/+5
| | | | | | even slower) git-svn-id: https://svn.openpcd.org:2342/trunk@458 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Fix the clock gating for the new layer 2 codehenryk2008-03-152-7/+33
| | | | | | | Only perform the switch to continous when necessary since it has serious side effects in the current hardware (we really need TF ored into the clock gating) git-svn-id: https://svn.openpcd.org:2342/trunk@457 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Another 36 carrier cycles (is not fully correct though)henryk2008-03-141-1/+13
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@456 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Enhances timing by 14 carrier cycleshenryk2008-03-141-5/+4
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@455 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Faked anticollision working now. During stress test (OpenPCD reqa firmware ↵henryk2008-03-146-37/+65
| | | | | | in anticol mode performing one cycle every 70ms) there were 52 late frames in 15992. git-svn-id: https://svn.openpcd.org:2342/trunk@454 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Better Outputhenryk2008-03-142-3/+4
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@453 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add T/C based receiver code with integrated miller decoderhenryk2008-03-1418-130/+397
| | | | | | | | | Integrate T/C receiver into iso14443 layer 2a Add state field to iso14443_frame, rename ssc buffer state constants Sniffer seems to work with the new code git-svn-id: https://svn.openpcd.org:2342/trunk@452 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add forgotten sanity checkhenryk2008-03-131-0/+1
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@451 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Remove SSC DMA Rx buffers that are not going to be used for now and take up ↵henryk2008-03-122-1/+8
| | | | | | precious RAM git-svn-id: https://svn.openpcd.org:2342/trunk@450 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Further optimizations, is now down to 1450 MCK/2 cycles for a 7 bit frame, ↵henryk2008-03-101-39/+29
| | | | | | that should be real-time capable git-svn-id: https://svn.openpcd.org:2342/trunk@449 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Further optimisation on the differential miller decoder, is now down to 1750 ↵henryk2008-03-102-135/+137
| | | | | | MCK/2 cycles for the short frame git-svn-id: https://svn.openpcd.org:2342/trunk@448 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add performance measurement codehenryk2008-03-108-63/+273
| | | | | | | Measure miller decoder performance git-svn-id: https://svn.openpcd.org:2342/trunk@447 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Fix sendinghenryk2008-03-094-21/+126
| | | | | | | | | | | Add Tx abort and SSC reset functionalities There is a bug workaround for a peculiarity in the SSC Tx: When it is set to START CONTINOUS while a transmission is in progress (started by START TF RISING EDGE, which is necessary for the correct timing) it will lose one (or two?) bits of sample data. The resetting of the start condition itself is necessary because the SSC will only transmit up to 64 bytes (32 bit times 16) per start condition Add performance counters for sent and received frames git-svn-id: https://svn.openpcd.org:2342/trunk@445 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* convert pio irq isr to a switching isrhenryk2008-03-054-11/+19
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@444 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Port over the differential miller decoder from the sniffonly host toolhenryk2008-03-0512-35/+512
| | | | | | | | Move clock switch to its own header file Specify default (and for non-clock switching capable hardware: single) clock source in hardware definitions git-svn-id: https://svn.openpcd.org:2342/trunk@443 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Copy over the relevant changes from the sniffonly branch pending integrationhenryk2008-03-057-8/+174
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@442 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Forgotten commithenryk2008-03-051-0/+6
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@441 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* anticol working more often nowhenryk2008-03-042-0/+7
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@440 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Pretender does now do anticol. At least in some cases.henryk2008-03-031-47/+48
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@439 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Sending seems to be reliable now.henryk2008-03-034-14/+63
| | | | | | | Once in a while (about 1 in 20) there's an error condition that's not being recovered from, need to investigate git-svn-id: https://svn.openpcd.org:2342/trunk@438 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Implement transmissionhenryk2008-03-039-41/+492
| | | | | | | | Implement a 'pretender' for PoC: Since Rx is not working properly we'll just pretend to have received something based on the approximate length. Clarify length calculations in machester encoder and remove obsolete test code git-svn-id: https://svn.openpcd.org:2342/trunk@437 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Forgotten include filehenryk2008-03-021-0/+96
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@436 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add pwm led code from sniffonly branchhenryk2008-03-014-19/+128
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@435 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* New cleaned-up (and then messed up again) SSC codehenryk2008-02-2915-1095/+933
| | | | | | | Better layering separation git-svn-id: https://svn.openpcd.org:2342/trunk@434 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Framework to support run-time hardware selection. Future hardware releases ↵henryk2008-02-118-57/+83
| | | | | | | | | should be changed to be boot-time detectable (e.g. using the yet unused AD inputs) so that one image can be used for all releases git-svn-id: https://svn.openpcd.org:2342/trunk@411 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add command to toggle PLL inhibitionhenryk2008-02-113-1/+13
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@410 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Remove old OpenBeacon remnantshenryk2008-02-091-28/+0
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@409 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Commit a first version of an iso 14443 layer 2 and a passive sniffer. Works ↵henryk2008-02-097-46/+387
| | | | | | for short frames, and sometimes even for long frames. Pending some major cleanup git-svn-id: https://svn.openpcd.org:2342/trunk@408 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Factor out time print code and enhance ithenryk2008-02-032-12/+29
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@404 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Change order on these two because otherwise unloading while IRQs are still ↵henryk2008-02-031-1/+1
| | | | | | enabled will lead to an IRQ storm git-svn-id: https://svn.openpcd.org:2342/trunk@403 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Commit status quo. Partly or severely broken.henryk2008-02-025-14/+35
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@402 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Use finer grained #ifdef's for the new board's featureshenryk2007-12-213-5/+11
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@400 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add SSC_DATA_GATE supporthenryk2007-12-203-0/+33
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@399 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* New hardware versionhenryk2007-12-193-8/+37
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@398 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Play with transfer sizeshenryk2007-12-193-10/+68
| | | | | | | | Enhance timing by removing debugging code Pending rewrite of SSC RX IRQ code git-svn-id: https://svn.openpcd.org:2342/trunk@397 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Optimizing (disabling debugging reduces time spent in decoder from 460us to 60ushenryk2007-12-171-20/+43
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@396 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* That comment is not true anymorehenryk2007-12-161-6/+1
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@395 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Get SSC_MODE_14443A workinghenryk2007-12-163-9/+28
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@394 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Record size of SSC RX DMA buffers in transfers, much clearerhenryk2007-12-157-20/+89
| | | | | | | Change miller decoder to take an RX DMA buffer in order to have access to the reception_mode member, much more versatile git-svn-id: https://svn.openpcd.org:2342/trunk@393 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Standard state is still idlehenryk2007-12-151-2/+2
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@392 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Further the distinction between SSC and PDC transfersizehenryk2007-12-155-18/+24
| | | | | | | Add convenient access to the last data bit from the miller decoder for type a frames git-svn-id: https://svn.openpcd.org:2342/trunk@391 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Prepare generic ISO 14443A reception mode (no short/standard distinction), ↵henryk2007-12-154-25/+51
| | | | | | prerequisite for proper frame handling and anticol, doesn't work yet git-svn-id: https://svn.openpcd.org:2342/trunk@390 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Fix consistency checkhenryk2007-12-153-19/+21
| | | | | | | Fix miller decoder for the case of a buffer containing only zeroes git-svn-id: https://svn.openpcd.org:2342/trunk@388 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Sanitize and clarify the len handling in rx buffers.henryk2007-12-145-28/+44
| | | | | | | Fix miller decoder git-svn-id: https://svn.openpcd.org:2342/trunk@387 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add complicated mechanism that should have brought clock cycle accurate ↵henryk2007-12-121-0/+1
| | | | | | measurement. Doesn't seem to work properly git-svn-id: https://svn.openpcd.org:2342/trunk@386 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Add new miller decoder (not working yet)henryk2007-12-127-34/+156
| | | | | | | Vastly improve timing through CPU cycle counting. Jitter is now like 40ns (the SSC_DATA edge detection fuzziness) in 2 main clusters 4 CPU cycles (83ns) apart, plus an occasional glitch adding 4 CPU cycles in either direction git-svn-id: https://svn.openpcd.org:2342/trunk@385 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Some more delayhenryk2007-12-111-3/+5
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@384 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Several modifications to enable spinning until the correct phase is reached ↵henryk2007-12-115-18/+53
| | | | | | | | | in tc_fdt (thereby taking the phase information from tc_fdt, resetting the phase in tc_cdiv) Still too much jitter (some bug in this code?) git-svn-id: https://svn.openpcd.org:2342/trunk@383 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Clean up SSC performance metric reportinghenryk2007-12-094-21/+47
| | | | git-svn-id: https://svn.openpcd.org:2342/trunk@382 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
* Prevent late frames by spinning in SSC CP0 IRQ till end of short frame receptionhenryk2007-12-094-8/+34
| | | | | | | | Fix tc_cdiv_set_divider. again. Reverse the polarity! (of the ssc transmit clock) git-svn-id: https://svn.openpcd.org:2342/trunk@381 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
personal git repositories of Harald Welte. Your mileage may vary